The California Medical Board is temporarily not allowing Michael Jackson's former physician, Dr. Conrad Murray, to administer or prescribe sedatives, reinforcing what a judge ruled earlier this month. The change to Murray's medical license officially took effect on Feb. 8, following a judge's order that Murray not handle any anesthetic, namely Propofol, the powerful drug that the coroner said killed Jackson, reports the Associated Press. Murray, who has since returned to work in Las Vegas, has pleaded not guilty to involuntarily manslaughter charges tied to the King of Pop's death. The AP says the medical board intends to seek the suspension of his license.

Meryl Streep is set to show off her oratory skills in a one-night reading at The Daily Beast's Women in the World Summit, and ET has the details! The Oscar-winner will take part in an ensemble reading of SEVEN, a documentary play that tells the courageous stories of women from seven countries, at the Hudson Theatre in New York. Julie Taymor, who created and helmed the Boardway musical The Lion King, will direct the reading, which will also star Lauren Velez (“Dexter”), Shohreh Aghdashloo (‘The House of Sand and Fog’), Tony-nominated Julyana Soelistyo, and Archie Panjabi. Streep and company's reading marks the opening-night event of the summit, a three-day gathering taking place from March 12-14 in New York that will bring together 300 global leaders from a variety of professions.

New details are emerging in the Tiger Woods press conference that is to be held on Friday. The pro golfer's agent tells the Associated Press that Woods will apologize “for his behavior" and discuss his future before the media at PGA Headquarters. According to the news agency, three wire services will be invited to the press conference along with a few other reporters picked by the Golf Writers Association of America. "This is all about the next step," his agent told AP. "He's looking forward to it."

After being in hiding since Thanksgiving weekend, Tiger Woods will reportedly hold a press conference. The pro golfer is scheduled to speak at the TPC Sawgrass, PGA Headquarters in Florida on Friday, February 19, at 11 a.m. EST. His agent tells ET that media access will be limited for the press conference. Woods has been splashed all over the tabloids since a car accident occurred outside his Florida home in November. Following the accident, women started coming forward claiming to have had affairs with the famed golfer.

ET gets up-close and personal with Helio Castroneves, girlfriend Adriana Henao and their baby daughter Mikaella! The champion racer/"Dancing with the Stars" season five victor and his family are featured in the new People magazine, on stands Friday -- and we have a sneak peek at their photo shoot! "He's an amazing father," Adriana tells ET. "He's been helping a lot, it's not even funny. He's been changing diapers, he does the night shift very often -- I try to help him and he's like, 'No no no, don't worry, go back to sleep.'" "It's too good to be true, huh?" jokes Helio.

ET has the latest...­­­ Listen here for the 911 call made after Charlie Sheen's car was found at the bottom of Mullholland Drive in Los Angeles on February 5. Sheen told ET on the day of the crash that he arrived home the prior evening at around 8 p.m. after working on his hit CBS sitcom "Two and a Half Men" and he went to bed at approximately 10:30 p.m.  He was awakened at 3:45 a.m. by a phone call from TELEAID informing him his car was in an accident.

Hundreds of celebrities, including Drew Barrymore and boyfriend Justin Long,  took time to sign a vehicle at the Golden Globe Awards that will be auctioned off to benefit the American Red Cross Haitian Relief Fund. ET has the details... Stars For a Cause has teamed up with Chrysler to auction off a Chrysler 300 “Haiti” edition on Saturday, February 20, 2010 at 2 p.m. Central Time. “The celebrities including Oprah Winfrey, Tom Hanks, Meryl Streep, Julia Roberts, Sophia Loren and hundreds more were only too happy to assist the humanitarian crisis in Haiti,” said George Braunstein, co-founder of Stars For A Cause. "It is everyone's social responsibility to assist in any way possible to contribute to the relief," head of Chrysler Motors Olivier Francois said of the tragedy in Haiti.

Former vice presidential candidate Sarah Palin doesn't find the humor in "Family Guy," calling the show "cruel and cold hearted," yet she had kinder words for Rush Limbaugh on the same controversial issue. Of a passing reference to her on "Family Guy" made by a character with Down syndrome, Sarah said she took it personally and found it to be offensive. "This world is full of cruel, cold hearted people who would do such a thing," she told Bill O'Reilly on "The O'Reilly Factor" Tuesday night. Her son Trig also has Down syndrome. "Trig is going to have a pretty tough, challenging life ahead of him," she said. "Much more difficult than we ever will, so why make it tougher on the special needs community? That's what I thought when I first heard about this episode."

Britney Spears is showing off her great shape for Candie’s new spring campaign, and ET's got exclusive video of her sexy photoshoot! "I love Candie's. It has so many different styles," Britney says. "The shoes are great, and I specifically enjoy the underwear." The campaign, Britney Spears Through the Lens, showcases the superstar as seen through the lens of three famed photographers: Annie Leibovitz, Mark Seliger and Terry Richardson.

Surf's up! Check out scorching pics of Zac Efron hitting the beach in Sydney, Australia on Tuesday to host a charitable learn-to-surf event.